<?php

/**
 * This file is part of webman/midjourney-proxy.
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the MIT-LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @author    walkor<walkor@workerman.net>
 * @copyright walkor<walkor@workerman.net>
 * @link      http://www.workerman.net/
 * @license   http://www.opensource.org/licenses/mit-license.php MIT License
 */

namespace Webman\Midjourney\MessageHandler;

class Base
{
    protected static $regex = [
        '/.*?\*\*(.*?)\*\*.+<@\d+> \((.*?)\)/'
    ];

    /**
     * @param $content
     * @return string
     */
    public static function parseContent($content): string
    {
        if ($content === '') {
            return '';
        }
        foreach (static::$regex as $preg) {
            if (preg_match($preg, $content, $matches)) {
                return $matches[1];
            }
        }
        return '';
    }
}